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Versions

• OS: Linux
• GTK Version: 3.24.20
• PyGObject Version: 3.36.0
• GLib Version : 2.64.2
• python-nbxmpp Version: 0.9.95
• Gajim Version: 1.2.91

Traceback

Traceback (most recent call last):
  File "/app/lib/python3.7/site-packages/gajim/common/helpers.py", line 1619, in _on_load_finished
    callback(contents, None, user_data)
  File "/app/plugins/url_image_preview/url_image_preview.py", line 384, in _on_thumb_load_finished
    preview.mime_type = self._guess_mime_type(preview.orig_path)
  File "/app/plugins/url_image_preview/url_image_preview.py", line 497, in _guess_mime_type
    mime_type, _ = mimetypes.MimeTypes().guess_type(data)
  File "/usr/lib/python3.7/mimetypes.py", line 116, in guess_type
    scheme, url = urllib.parse.splittype(url)
  File "/usr/lib/python3.7/urllib/parse.py", line 983, in splittype
    match = _typeprog.match(url)
TypeError: expected string or bytes-like object

I’m reporting this for another user. Prior to this error, a DNS lookup error occured for some chats.